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If mean of a series is 40 and variance 1...

If mean of a series is 40 and variance `148*6`, then coefficient of variation is

A

`30*5`

B

`29*6`

C

`28*7`

D

none of these

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The correct Answer is:
A
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ML KHANNA-MEASURES OF CENTRAL TENDENCY -Problem Set (1) (Measures of Disperation)
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